IXP4xx: Fix sparse warnings in I/O primitives.

Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>

arch/arm/mach-ixp4xx/include/mach/io.h

@@ -353,7 +353,7 @@ static inline unsigned int ioread8(const void __iomem *addr)
 		return (unsigned int)inb(port & PIO_MASK);
 	else
 #ifndef CONFIG_IXP4XX_INDIRECT_PCI
-		return (unsigned int)__raw_readb(port);
+		return (unsigned int)__raw_readb(addr);
 #else
 		return (unsigned int)__indirect_readb(addr);
 #endif
@@ -381,7 +381,7 @@ static inline unsigned int ioread16(const void __iomem *addr)
 		return	(unsigned int)inw(port & PIO_MASK);
 	else
 #ifndef CONFIG_IXP4XX_INDIRECT_PCI
-		return le16_to_cpu(__raw_readw((u32)port));
+		return le16_to_cpu((__force __le16)__raw_readw(addr));
 #else
 		return (unsigned int)__indirect_readw(addr);
 #endif
@@ -440,7 +440,7 @@ static inline void iowrite8(u8 value, void __iomem *addr)
 		outb(value, port & PIO_MASK);
 	else
 #ifndef CONFIG_IXP4XX_INDIRECT_PCI
-		__raw_writeb(value, port);
+		__raw_writeb(value, addr);
 #else
 		__indirect_writeb(value, addr);
 #endif